Speed of service is critical to the profitability of a coffee business. An efficient ergonomic store design will allow you to maximize your sales by serving as many customers as possible during peak business periods. Coffee is primarily a morning beverage, so your busy times of day, may be from 6:00 AM to 11:00AM.
So how should you go about designing your coffee bar?
First, understand that putting together a good design is like assembling a puzzle. You have to fit all the pieces in the proper relationship to each other to end up with the desired picture. This may require some trial and error to get things right.
The design process begins by determining your menu and other desired store features. If you plan to do in-store baking, then obviously you'll need to include in your plan an oven, exhaust hood, sheet pan rack, a large prep table, and perhaps a mixer.
Next, you will have to determine the tasks that will be performed by each employee position, so that the equipment and fixtures necessary to accomplish those tasks can be located in the appropriate places.
A final thought about design; unless the space you will be designing is a clean vanilla shell (meaning, nothing currently exists in the space, except perhaps one ADA restroom), you will have to make sure that all the features that you are considering keeping, will be acceptable with your local bureaucracy.
If the business type remains the same (your space was occupied by a food service establishment before you), then some times any non compliant features will be grandfathered-
This means you may have to rip-out bathrooms and hallways, add fire sprinkler systems, and provide ramps where there are steps. Better you know all these things before you begin your store design.